book Maths Puzzle Numerical Ability

Hans needs to rent a moving truck. suppose a company charges a rate of $40/day and Company B charges $60 plus $20/day. How must hans rent the moving truck to justify using company

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i need help with these problems as well please.

6x divided by 5 plus sign in between that fraction and 6 is equal to 1/2 Show EACH step in solving each of the following equations. Show which method (factoring, square root method, completing the square, or quadratic formula) you used to solve it and tell why.
a: (x + 2)^2 = 8